Today's high and low tide times for Portrush, Northern Ireland, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Portrush, Northern Ireland, the next high tide is at 10:39 AM (5.7ft) and the next low tide is at 4:09 AM (2.3ft), based on harmonic predictions for Portrush.
All high and low tides for Portrush today, in local time (Europe/London). Heights are metres above chart datum.
High (H) and low (L) tide times and heights for the next seven days at Portrush.
| Date | Tides (local time · height) |
|---|---|
| Wed, Sep 16 | L 4:09 AM 2.3ftH 10:39 AM 5.7ftL 4:42 PM 2.4ftH 11:09 PM 5.1ft |
| Thu, Sep 17 | L 4:48 AM 2.8ftH 11:18 AM 5.1ftL 5:18 PM 2.9ft |
| Fri, Sep 18 | H 12:06 AM 4.8ftL 5:39 AM 3.3ftH 12:18 PM 4.5ftL 6:06 PM 3.2ft |
| Sat, Sep 19 | H 1:48 AM 4.6ftL 7:42 AM 3.6ftH 2:27 PM 4.2ftL 7:42 PM 3.4ft |
| Sun, Sep 20 | H 3:36 AM 4.9ftL 11:12 AM 3.3ftH 4:15 PM 4.2ftL 10:00 PM 3.3ft |
| Mon, Sep 21 | H 4:39 AM 5.3ftL 11:48 AM 2.9ftH 5:09 PM 4.5ftL 10:51 PM 3.0ft |
| Tue, Sep 22 | H 5:21 AM 5.8ftL 12:09 PM 2.5ftH 5:45 PM 4.8ftL 11:24 PM 2.6ft |
| Wed, Sep 23 | H 5:54 AM 6.2ftL 12:30 PM 2.2ftH 6:15 PM 5.1ftL 11:54 PM 2.2ft |
Predicted for Portrush, 0.2 km away (reliability: high — a close match — expect predictions within a few minutes of the published station table).
These are astronomical tide predictions — the rise and fall driven by the moon and sun, computed by harmonic analysis. They do not include weather effects: a strong onshore wind, low barometric pressure or a storm surge can push the real water level above the predicted high, and offshore winds or high pressure can hold it below the predicted low. For navigation or any safety-critical decision, always check the official tide tables and a live water-level gauge for Portrush.
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